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drm/amdgpu: support query vram_info v3_0

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vram_info table provides various vram information
including vram_vendor, vram_type, vram_width, etc.

v2: correct the calculation of vram_width

Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Likun Gao <Likun.Gao@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Hawking Zhang 2022-02-05 17:24:11 +08:00 committed by Alex Deucher
parent 1a4824488b
commit 7089dd3cc0
1 changed files with 110 additions and 80 deletions
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190
drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
View File

@ -162,12 +162,14 @@ union vram_info {
struct atom_vram_info_header_v2_4 v24;
struct atom_vram_info_header_v2_5 v25;
struct atom_vram_info_header_v2_6 v26;
struct atom_vram_info_header_v3_0 v30;
};
union vram_module {
struct atom_vram_module_v9 v9;
struct atom_vram_module_v10 v10;
struct atom_vram_module_v11 v11;
struct atom_vram_module_v3_0 v30;
};
static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
@ -294,88 +296,116 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
vram_info = (union vram_info *)
(mode_info->atom_context->bios + data_offset);
module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
switch (crev) {
case 3:
if (module_id > vram_info->v23.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v23.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v9.vram_module_size);
i++;
if (frev == 3) {
switch (crev) {
/* v30 */
case 0:
vram_module = (union vram_module *)vram_info->v30.vram_module;
mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
mem_type = vram_info->v30.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_info->v30.channel_num;
mem_channel_width = vram_info->v30.channel_width;
if (vram_width)
*vram_width = mem_channel_number * mem_channel_width;
break;
default:
return -EINVAL;
}
mem_type = vram_module->v9.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v9.channel_num;
mem_channel_width = vram_module->v9.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
case 4:
if (module_id > vram_info->v24.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v24.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v10.vram_module_size);
i++;
} else if (frev == 2) {
switch (crev) {
/* v23 */
case 3:
if (module_id > vram_info->v23.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v23.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v9.vram_module_size);
i++;
}
mem_type = vram_module->v9.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v9.channel_num;
mem_channel_width = vram_module->v9.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
/* v24 */
case 4:
if (module_id > vram_info->v24.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v24.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v10.vram_module_size);
i++;
}
mem_type = vram_module->v10.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v10.channel_num;
mem_channel_width = vram_module->v10.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
/* v25 */
case 5:
if (module_id > vram_info->v25.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v25.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v11.vram_module_size);
i++;
}
mem_type = vram_module->v11.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v11.channel_num;
mem_channel_width = vram_module->v11.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
/* v26 */
case 6:
if (module_id > vram_info->v26.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v26.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v9.vram_module_size);
i++;
}
mem_type = vram_module->v9.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v9.channel_num;
mem_channel_width = vram_module->v9.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
default:
return -EINVAL;
}
mem_type = vram_module->v10.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v10.channel_num;
mem_channel_width = vram_module->v10.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
case 5:
if (module_id > vram_info->v25.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v25.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v11.vram_module_size);
i++;
}
mem_type = vram_module->v11.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v11.channel_num;
mem_channel_width = vram_module->v11.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
case 6:
if (module_id > vram_info->v26.vram_module_num)
module_id = 0;
vram_module = (union vram_module *)vram_info->v26.vram_module;
while (i < module_id) {
vram_module = (union vram_module *)
((u8 *)vram_module + vram_module->v9.vram_module_size);
i++;
}
mem_type = vram_module->v9.memory_type;
if (vram_type)
*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
mem_channel_number = vram_module->v9.channel_num;
mem_channel_width = vram_module->v9.channel_width;
if (vram_width)
*vram_width = mem_channel_number * (1 << mem_channel_width);
mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
if (vram_vendor)
*vram_vendor = mem_vendor;
break;
default:
} else {
/* invalid frev */
return -EINVAL;
}
}